3 Fig. 3: Intake Air System Hose Routing Diagram INTAKE MANIFOLD VACUUM INSPECTION [LF] 1. Verify that the intake air hoses are installed securely. 2. Disconnect the vacuum hose connecting the intake manifold and the purge solenoid valve (purge solenoid valve side) and install the vacuum gauge. 3. Warm up the engine. 4. Measure the intake manifold vacuum while idling (no load) using the vacuum gauge. If not within the specification, perform the following inspections. Compression pressure (See COMPRESSION INSPECTION [LF].) Air intake Each hose installation part Throttle body installation part

4 Fuel injector installation part PCV valve installation part Dynamic chamber installation port Intake manifold installation part Standard -60 kpa {-450 mmhg, inhg} or more INTAKE AIR SYSTEM REMOVAL/INSTALLATION [LF] WARNING: A hot engine and intake air system can cause severe burns. Turn off the engine and wait until they are cool before removing the intake-air system. Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure", while referring to the "BEFORE SERVICE PRECAUTION [LF] ". 1. Remove the battery cover. 2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF].) 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal.

14 Fig. 13: Identifying Tightening Sequence Of Throttle Body Bolts AIR CLEANER ELEMENT INSPECTION [LF] 1. Remove the air cleaner element. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF].) 2. Inspect the following items: If there is any abnormality, clean or replace the air cleaner element. Has the replacement interval come? Is the air cleaner element soiled, damaged, or bent? Are the air cleaner case and the air cleaner element correctly sealed? Is the correct air cleaner element installed? THROTTLE BODY INSPECTION [LF] NOTE: Perform the following inspection only when directed. RESISTANCE INSPECTION

20 Fig. 19: Identifying Variable Intake Air Solenoid Valve, Main Relay & PCM Connector Terminals Open Circuit If there is no continuity, the circuit is open. Repair or replace the wiring harness. Variable intake air solenoid valve terminal B and PCM terminal 2J Variable intake air solenoid valve terminal A and main relay Short Circuit

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Wynn s Extended Care Every car deserves to receive the very best care... especially yours. How Do You Keep Your Reliable Transportation Reliable? Count on Wynn s Because Wynn s has been caring for cars

Page 1 / 33 19-1 Cooling system components Caution! When doing any repair work, especially in the engine compartment, pay attention to the following due to clearance issues: Route lines of all types (e.g.

Page 1 of 30 19-1 Cooling system components, removing and installing Notes: When the engine is warm the cooling system is under pressure. If necessary release pressure before commencing repair work. Secure

2004 Chevrolet TrailBlazer - 2WD Emission Control Systems Warranties This section outlines the emission warranties that General Motors provides for your vehicle in accordance with the U.S. Federal Clean

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Installation Instructions: Intake Manifold Part Number :KK3240 Application: 2003-2004 Ford Focus 2.3L Duratec I4 (PZEV) You Will need to re-drill and tape a hole in the Plenum for the ST150 Throttle body

Diagnosing Hydraulic Problems 1 Problems A pressure test is a key check when you need to determine if a problem is caused by something that is inside or outside of the transmission. Low automatic transmission

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Service. Self-Study Programme 304 Electronic Diesel Control EDC 16 Design and Function The new EDC 16 engine management system from Bosch has its debut in the V10-TDI- and R5-TDI-engines. Increasing demands

AC Electrical System Tests Hot Skin Test Prepare Documentation? Make sure shore line is plugged into 120VAC source? Set VOM to AC voltage scale? Place one probe on a bare metal surface of the RV (i.e.,

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19-1 Cooling system components, servicing WARNING! The cooling system is pressurized when the engine is warm. When opening the expansion tank, wear gloves and other appropriate protection, cover the cap

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